kernel-entry-init.h

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/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Chris Dearman (chris@mips.com)
 * Copyright (C) 2007 Mips Technologies, Inc.
 */
#ifndef __ASM_MACH_MIPS_KERNEL_ENTRY_INIT_H
#define __ASM_MACH_MIPS_KERNEL_ENTRY_INIT_H

    .macro  kernel_entry_setup
#ifdef CONFIG_MIPS_MT_SMTC
    mfc0    t0, CP0_CONFIG
    bgez    t0, 9f
    mfc0    t0, CP0_CONFIG, 1
    bgez    t0, 9f
    mfc0    t0, CP0_CONFIG, 2
    bgez    t0, 9f
    mfc0    t0, CP0_CONFIG, 3
    and t0, 1<<2
    bnez    t0, 0f
9 :
    /* Assume we came from YAMON... */
    PTR_LA  v0, 0x9fc00534  /* YAMON print */
    lw  v0, (v0)
    move    a0, zero
    PTR_LA  a1, nonmt_processor
    jal v0

    PTR_LA  v0, 0x9fc00520  /* YAMON exit */
    lw  v0, (v0)
    li  a0, 1
    jal v0

1 : b   1b

    __INITDATA
nonmt_processor :
    .asciz  "SMTC kernel requires the MT ASE to run\n"
    __FINIT
0 :
#endif
    .endm

/*
 * Do SMP slave processor setup necessary before we can safely execute C code.
 */
    .macro  smp_slave_setup
    .endm

#endif /* __ASM_MACH_MIPS_KERNEL_ENTRY_INIT_H */